-------------------
- client: fix parsing `ls` modify time (60)
- all: add python3.7 support (`__aiter__` must be regular function since now) (76, 77)
Thanks to `saulcruz <https://github.com/saulcruz>`_, `NickG123 <https://github.com/NickG123>`_, `rsichny <https://github.com/rsichny>`_, `Modelmat <https://github.com/Modelmat>`_, `webknjaz <https://github.com/webknjaz>`_